Book 42

La Radiactividad

by Silvia Bulbulian

Published 1 December 1987

Book 55

La Zeolita

by Pedro Bosch and Isaac Schifter

Published 1 December 1988

Book 109


Book 120


Book 159


Book 225

La Huella Invisible

by Isaac Schifter

Published 1 December 2009

La Ciencia del Caos

by Isaac Schifter

Published 1 December 1996